package Cycle;
class Circle {

    private double r;

    private static final double g = 3.1415;

    public Circle(double r) {
        this.r = r;
    }


    public void setR(double r) {
        this.r = r;
    }


    public double getR() {
        return r;
    }


    public double getS() {
        return r * r * g;
    }

    public double getL() {
        return 2 * r * g;
    }}
class main{
    public static void main(String[] args) {
        Circle circle = new Circle(5.0);
        System.out.println("Long " + circle.getL());
        System.out.println("area " + circle.getS());
    }
}

